Fixed list init issue under MSVC compliation
Fixed list init issue under MSVC compliation

Summary: Closes https://github.com/caffe2/caffe2/pull/216

Differential Revision: D4763418

Pulled By: Yangqing

fbshipit-source-id: 85148720388e407c9a0f9660ef4822048837de14

bwasti/caffe2,pietern/caffe2,sf-wind/caffe2,pietern/caffe2,davinwang/caffe2,pietern/caffe2,sf-wind/caffe2,sf-wind/caffe2,bwasti/caffe2,Yangqing/caffe2,Yangqing/caffe2,bwasti/caffe2,Yangqing/caffe2,xzturn/caffe2,sf-wind/caffe2,Yangqing/caffe2,davinwang/caffe2,bwasti/caffe2,sf-wind/caffe2,xzturn/caffe2,davinwang/caffe2,xzturn/caffe2,pietern/caffe2,xzturn/caffe2,davinwang/caffe2,Yangqing/caffe2,pietern/caffe2,xzturn/caffe2,davinwang/caffe2,bwasti/caffe2,caffe2/caffe2